diff --git a/registry.txt b/registry.txt
index a4d60f05..42d5100a 100644
--- a/registry.txt
+++ b/registry.txt
@@ -5819,3 +5819,4 @@ https://github.com/dwinhmi/DWIN_DGUS_HMI.git|Contributed|DWIN_DGUS_HMI
 https://github.com/sheminasalam/Esp8266-Mqtt-Canary.git|Contributed|Esp8266-Mqtt-Canary
 https://github.com/Reefwing-Software/Reefwing-LSM9DS1.git|Contributed|ReefwingLSM9DS1
 https://github.com/laserir/NL2Client.git|Contributed|NL2Client
+https://github.com/Plefunga/AstroCalcs.git|Contributed|AstroCalcs